<?php
/**
 * PHPExcel
 *
 * Copyright (c) 2006 - 2010 PHPExcel
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * @category   PHPExcel
 * @package    PHPExcel_Writer
 * @copyright  Copyright (c) 2006 - 2010 PHPExcel (http://www.codeplex.com/PHPExcel)
 * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
 * @version    1.7.2, 2010-01-11
 */


/** PHPExcel root directory */
if (!defined('PHPEXCEL_ROOT')) {
    /**
     * @ignore
     */
    define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../');
}

/** PHPExcel_IWriter */
require_once PHPEXCEL_ROOT . 'PHPExcel/Writer/IWriter.php';

/** PHPExcel_Writer_HTML */
require_once PHPEXCEL_ROOT . 'PHPExcel/Writer/HTML.php';

/** PHPExcel_Cell */
require_once PHPEXCEL_ROOT . 'PHPExcel/Cell.php';

/** PHPExcel_RichText */
require_once PHPEXCEL_ROOT . 'PHPExcel/RichText.php';

/** PHPExcel_Shared_Drawing */
require_once PHPEXCEL_ROOT . 'PHPExcel/Shared/Drawing.php';

/** PHPExcel_Shared_File */
require_once PHPEXCEL_ROOT . 'PHPExcel/Shared/File.php';

/** PHPExcel_HashTable */
require_once PHPEXCEL_ROOT . 'PHPExcel/HashTable.php';

/** PHPExcel_Shared_PDF */
require_once PHPEXCEL_ROOT . 'PHPExcel/Shared/PDF.php';


/**
 * PHPExcel_Writer_PDF
 *
 * @category   PHPExcel
 * @package    PHPExcel_Writer
 * @copyright  Copyright (c) 2006 - 2010 PHPExcel (http://www.codeplex.com/PHPExcel)
 */
class PHPExcel_Writer_PDF extends PHPExcel_Writer_HTML implements PHPExcel_Writer_IWriter
{
    /**
     * Temporary storage directory
     *
     * @var string
     */
    private $_tempDir = '';

    /**
     * Create a new PHPExcel_Writer_PDF
     *
     * @param    PHPExcel $phpExcel PHPExcel object
     */
    public function __construct(PHPExcel $phpExcel)
    {
        parent::__construct($phpExcel);
        $this->setUseInlineCss(true);
        $this->_tempDir = PHPExcel_Shared_File::sys_get_temp_dir();
    }

    /**
     * Save PHPExcel to file
     *
     * @param    string $pFileName
     * @throws    Exception
     */
    public function save($pFilename = null)
    {
        // garbage collect
        $this->_phpExcel->garbageCollect();

        $saveArrayReturnType = PHPExcel_Calculation::getArrayReturnType();
        PHPExcel_Calculation::setArrayReturnType(PHPExcel_Calculation::RETURN_ARRAY_AS_VALUE);

        // Open file
        $fileHandle = fopen($pFilename, 'w');
        if ($fileHandle === false) {
            throw new Exception("Could not open file $pFilename for writing.");
        }

        // Set PDF
        $this->_isPdf = true;

        // Build CSS
        $this->buildCSS(true);

        // Generate HTML
        $html = '';
        //$html .= $this->generateHTMLHeader(false);
        $html .= $this->generateSheetData();
        //$html .= $this->generateHTMLFooter();

        // Default PDF paper size
        $paperSize = 'A4';
        $orientation = 'P';

        // Check for overrides
        if (is_null($this->getSheetIndex())) {
            $orientation = $this->_phpExcel->getSheet(0)->getPageSetup()->getOrientation() == 'landscape' ? 'L' : 'P';
        } else {
            $orientation = $this->_phpExcel->getSheet($this->getSheetIndex())->getPageSetup()->getOrientation() == 'landscape' ? 'L' : 'P';
        }

        // Create PDF
        $pdf = new TCPDF($orientation, 'pt', $paperSize);
        $pdf->setPrintHeader(false);
        $pdf->setPrintFooter(false);
        $pdf->AddPage();

        // Set the appropriate font
        $pdf->SetFont('freesans');
        //$pdf->SetFont('arialunicid0-chinese-simplified');
        //$pdf->SetFont('arialunicid0-chinese-traditional');
        //$pdf->SetFont('arialunicid0-korean');
        //$pdf->SetFont('arialunicid0-japanese');
        $pdf->writeHTML($html);

        // Document info
        $pdf->SetTitle($this->_phpExcel->getProperties()->getTitle());
        $pdf->SetAuthor($this->_phpExcel->getProperties()->getCreator());
        $pdf->SetSubject($this->_phpExcel->getProperties()->getSubject());
        $pdf->SetKeywords($this->_phpExcel->getProperties()->getKeywords());
        $pdf->SetCreator($this->_phpExcel->getProperties()->getCreator());

        // Write to file
        fwrite($fileHandle, $pdf->output($pFilename, 'S'));

        // Close file
        fclose($fileHandle);

        PHPExcel_Calculation::setArrayReturnType($saveArrayReturnType);
    }

    /**
     * Get temporary storage directory
     *
     * @return string
     */
    public function getTempDir()
    {
        return $this->_tempDir;
    }

    /**
     * Set temporary storage directory
     *
     * @param    string $pValue Temporary storage directory
     * @throws    Exception    Exception when directory does not exist
     * @return PHPExcel_Writer_PDF
     */
    public function setTempDir($pValue = '')
    {
        if (is_dir($pValue)) {
            $this->_tempDir = $pValue;
        } else {
            throw new Exception("Directory does not exist: $pValue");
        }
        return $this;
    }
}
